• RapidFire Plus shifters with 2-way release, multi-release and instant release technology for faster, smoother shifting
• Multi-shift in both directions: up to 4 downshifts at once with thumb lever and up to 2 upshifts at once with index lever
• Quicker lever access and light operation
• 35% less shifting operation force and 20% quicker main lever access vs SL-M9000
• Adjust to the optimal position for any riding style or rider preference with clean cockpit
• I-Spec EV offers greater adjustability to the shift lever's position relative to the brake lever than previous I-Spec versions
• Features a mode converter allowing to change from 12 speed to 11 speed. Note: 11 speed operation is only compatible with XTR M9100 derailleurs, chain and 11 speed cassette.